Precision mold of reflecting mirror for light distribution of through type tail lamp

Abstract

The utility model belongs to the technical field of dies, and particularly relates to a reflecting mirror precision die for light distribution of a through type tail lamp. The injection mold comprises an upper mold plate, an upper mold base is arranged below the upper mold plate, an injection molding opening assembly is inserted into the upper mold plate and the upper mold base, a lower mold base is arranged below the upper mold base, an upper mold core groove and a lower mold core groove are formed in the upper mold base and the lower mold base respectively, an edge check block is arranged in the upper portion of the lower mold base, and a wedge block part is arranged above the edge check block. A wedge block part is arranged on the upper die base, meanwhile, the wedge block part is inserted into an inner groove part in the bottom of the upper die base, a supporting block and a lower die plate are arranged below the lower die base, a top plate is arranged in the middle of the upper portion of the lower die plate, and a main top column and a top rod are arranged above the top plate. And a product piece can be smoothly separated from the interior of the mold cavity during mold opening, so that the condition of manual buckling is avoided, the working efficiency is improved, and the labor capacity is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of molds and relates to a precision mold for a reflector used for light distribution of a through-type tail lamp. Background Art

[0002] Injection molding, also known as injection molding, is a molding method that combines injection and molding. The advantages of the injection molding method are fast production speed, high efficiency, automated operation, a wide variety of colors and patterns, shapes from simple to complex, sizes from large to small, and precise product size. The product is easy to update and can be made into parts with complex shapes. Injection molding is suitable for mass production and molding processing fields such as products with complex shapes. This method is suitable for mass production of parts with complex shapes and is one of the important processing methods. The existing reflectors have complex shapes and a through-design inside the product, which makes the internal design of the mold complex. When the mold is opened, the product is easily stuck in the mold and needs to be manually removed, which reduces work efficiency and increases labor. Therefore, in response to the above problems, a precision mold for a reflector for a through-type taillight is proposed. Utility Model Content

[0003] The utility model aims to solve the above problems and provides a precision mold for a reflector used for a through-type tail lamp.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A precision mold for a reflector for a through-type taillight lighting distribution, comprising an upper mold plate, an upper mold base is provided below the upper mold plate, and an injection port assembly is inserted in the middle of the upper mold plate and the upper mold base, a lower mold base is provided below the upper mold base, and a cavity is formed between the upper mold base and the lower mold base, side blocks are provided on both sides above the lower mold base, and the top of the side blocks is inserted into the bottom of the upper mold base, positioning columns are provided between the upper mold base and the four corners of the lower mold base, support blocks are provided on both sides below the lower mold base, a lower mold plate is provided below the support block, and a top plate is provided in the middle of the upper part of the lower mold plate, a main top column and a top rod are provided above the top plate, and the tops of the main top column and the top rod are inserted in the lower mold base, a spring is provided on the outer sleeve below the main top column, and the upper section of the spring is inserted in the lower mold base.

[0006] In the above-mentioned precision mold for the reflector for the through-type taillight lighting, the upper mold base is fixedly connected to the lower part of the upper mold plate, and the injection port assembly is inserted and fixedly connected between the center of the upper mold plate and the center of the upper mold base, and an upper mold core groove is opened in the middle of the bottom of the upper mold base, and the upper mold core groove is connected to the bottom of the injection port assembly.

[0007] In the above-mentioned precision mold for the reflector for the through-type taillight lighting, a lower mold core groove is opened in the middle of the top of the lower mold base, and the lower mold core groove and the upper mold core groove are combined into a molding cavity, and slide grooves are opened on both sides of the lower mold base, and the slide grooves are connected with the lower mold core groove.

[0008] In the above-mentioned precision mold for the reflector for the through-type taillight lighting, a slidingly connected side block is inserted into the slide groove, and the upper plane of the side block is flush with both sides of the top of the lower mold base. A wedge block part is fixedly connected above the side block, and the wedge block part is higher than the top of the lower mold base.

[0009] In the above-mentioned precision mold for the reflector for the through-type taillight lighting, inner grooves are provided on both sides of the bottom of the upper mold base, and there is a distance between the inner grooves and the upper mold core grooves. A sliding connecting wedge block is inserted into the inner grooves, and both sides of the bottom of the upper mold base are tightly fitted with the middle of the side block.

[0010] In the above-mentioned precision mold for the reflector for through-type taillight lighting, through holes are opened in the four corners of the upper mold base, and positioning columns are fixedly connected above the four corners of the lower mold base, and the top of the positioning columns is inserted into the sliding connection through holes.

[0011] In the above-mentioned precision mold for the reflector for the through-type taillight light distribution, the two sides of the bottom of the lower mold base are fixedly connected to the support blocks, and the bottom of the support block is fixedly connected to the two sides above the lower mold plate.

[0012] In the above-mentioned precision mold for the reflector for the through-type taillight, the four corners of the top plate are fixedly connected to the main top pillars, and the top of the main top pillar passes through the sliding connection lower mold base, and the top of the main top pillar is tightly fitted with the bottom of the upper mold base.

[0013] In the above-mentioned precision mold for the reflector for the through-type taillight, a sliding connection spring is arranged outside the lower part of the main top column, the bottom of the spring is fixedly connected to the upper plane of the top plate, and the upper part of the spring is inserted into the fixed connection lower mold base.

[0014] In the above-mentioned precision mold for the reflector for the through-type taillight lighting distribution, a plurality of ejector rods are fixedly connected to the middle part of the top plate, and the top of the ejector rods is inserted into the sliding connection lower mold base, and the top of the ejector rods is flush with the bottom of the lower mold core groove.

[0015] Compared with the existing technology, the advantages of the utility model are:

[0016] The utility model has an upper mold base below the upper mold base, and an injection port assembly is inserted into the upper mold base and the upper mold base, a lower mold base is provided below the upper mold base, and an upper mold core groove and a lower mold core groove are respectively provided in the upper mold base and the lower mold base, a side stopper is provided above the lower mold base, and a wedge block portion is provided above the side stopper, and the wedge block portion is inserted into the inner groove portion of the bottom of the upper mold base, a support block and a lower mold base are provided below the lower mold base, and a top plate is provided in the middle above the lower mold base, and a main ejector column and an ejector rod are provided above the top plate, and the design of the side stopper inside the mold and the form of secondary mold opening are utilized to enable the product to be smoothly separated from the inside of the cavity when the mold is opened, thereby avoiding the situation of manual buckling, increasing work efficiency, and reducing labor.

[0017] Other advantages, objectives and features of the present invention will be embodied in part through the following description, and in part will be understood by those skilled in the art through research and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is an overall schematic diagram of the utility model;

[0019] Figure 2 This is an overall exploded top view of the utility model.

[0020] Figure 3 It is an overall exploded bottom view schematic diagram of the utility model;

[0021] Figure 4 It is a schematic diagram of the interior of the upper die seat, the side block, the main ejector column and the ejector rod of the utility model;

[0022] Figure 5 It is a schematic top view of the lower die base of the utility model.

[0023] In the figure: 1. upper mold plate; 2. injection port assembly; 3. upper mold base; 31. upper mold core groove; 32. inner groove portion; 33. through hole; 4. lower mold base; 41. lower mold core groove; 42. slide groove portion; 43. positioning column; 5. support block; 6. lower mold plate; 7. top plate; 8. side stop block; 81. wedge block portion; 9. main top column; 10. spring; 11. ejector rod. DETAILED DESCRIPTION

[0024] The utility model is further described below in conjunction with the accompanying drawings.

[0025] like Figure 1-5 As shown, a precision mold for a reflector for a through-type taillight lighting distribution includes an upper mold plate 1, an upper mold base 3 is provided below the upper mold plate 1, and an injection port assembly 2 is inserted in the middle of the upper mold plate 1 and the upper mold base 3, a lower mold base 4 is provided below the upper mold base 3, and a cavity is formed between the upper mold base 3 and the lower mold base 4, side blocks 8 are provided on both sides above the lower mold base 4, and the upper part of the side blocks 8 is inserted into the bottom of the upper mold base 3, and positioning columns 43 are provided between the upper mold base 3 and the four corners of the lower mold base 4, support blocks 5 are provided on both sides below the lower mold base 4, a lower mold plate 6 is provided below the support block 5, and a top plate 7 is provided in the middle part above the lower mold plate 6, a main top column 9 and a top rod 11 are provided above the top plate 7, and the upper parts of the main top column 9 and the top rod 11 are inserted in the lower mold base 4, a spring 10 is provided on the outer sleeve below the main top column 9, and the upper section of the spring 10 is inserted in the lower mold base 4.

[0026] The upper mold base 3 is fixedly connected through the lower part of the upper mold plate 1, and the injection port assembly 2 is inserted and fixedly connected in the center of the upper mold plate 1 and the center of the upper mold base 3. An upper mold core groove 31 is opened in the middle of the bottom of the upper mold base 3, and the upper mold core groove 31 is connected with the bottom of the injection port assembly 2.

[0027] Furthermore, a lower mold core groove 41 is opened in the middle of the top of the lower mold base 4, and the lower mold core groove 41 and the upper mold core groove 31 are combined into a forming cavity. Slide grooves 42 are opened on both sides of the lower mold base 4, and the slide grooves 42 are connected to the lower mold core groove 41.

[0028] An upper mold base 3 is provided below the upper mold plate 1, and an upper mold core groove 31 is provided at the bottom of the upper mold base 3. An injection port assembly 2 is inserted into the upper mold plate 1 and the upper mold base 3, and a product is formed by injecting injection liquid into the upper mold core groove 31 from above the injection port assembly 2.

[0029] The side block 8 is inserted into the slide groove 42 for sliding connection, and the upper plane of the side block 8 is flush with both sides of the top of the lower die base 4 . The wedge block 81 is fixedly connected above the side block 8 , and the wedge block 81 is higher than the top of the lower die base 4 .

[0030] Furthermore, inner grooves 32 are provided on both sides of the bottom of the upper mold base 3, and there is a distance between the inner grooves 32 and the upper mold core grooves 31. A sliding connecting wedge block 81 is inserted into the inner grooves 32, and both sides of the bottom of the upper mold base 3 fit tightly with the middle of the side block 8.

[0031] A side stop block 8 is provided in the lower mold base 4, and the wedge block portion 81 on the side stop block 8 is inserted into the inner groove portion 32 of the upper mold base 3, and a cavity is formed by the upper mold core groove 31 and the lower mold core groove 41 in the upper mold base 3 and the lower mold base 4 respectively. After the inner side of the side stop block 8 is inserted into the cavity, a through portion is formed during injection molding.

[0032] Through holes 33 are opened in the four corners of the upper die base 3 , and positioning columns 43 are fixedly connected to the upper parts of the four corners of the lower die base 4 , and the upper parts of the positioning columns 43 are inserted into the sliding connection through holes 33 .

[0033] The positioning posts 43 provided on the lower die base 4 are inserted into the through holes 33 at the four corners of the upper die base 3. When the mold is closed, the accuracy of the mold closing is ensured by the cooperation between the positioning posts 43 and the through holes 33.

[0034] The two sides of the bottom of the lower mold base 4 are fixedly connected to the support block 5 , and the bottom of the support block 5 is fixedly connected to the two sides above the lower mold plate 6 .

[0035] Furthermore, the main top columns 9 are fixedly connected to the four corners of the top plate 7 , and the upper part of the main top columns 9 passes through the lower mold base 4 for sliding connection, and the top of the main top columns 9 is tightly fitted with the bottom of the upper mold base 3 .

[0036] The main top column 9 provided above the top plate 7 is inserted into the lower mold base 4, and the main top column 9 passes through the lower mold base 4 and fits tightly with the bottom of the upper mold base 3. When the mold is opened, the top plate 7 drives the main top column 9 to lift up the upper mold base 3 and the upper parts.

[0037] Furthermore, a sliding connection spring 10 is disposed on the outer portion below the main top column 9 , the bottom of the spring 10 is fixedly connected to the upper plane of the top plate 7 , and the top of the spring 10 is inserted into and fixedly connected to the lower die base 4 .

[0038] The spring 10 sleeved under the main ejector column 9 is connected to the ejector plate 7. After the mold is opened, the ejector plate 7 is reset by utilizing the rebound of the spring 10.

[0039] Furthermore, a plurality of ejector rods 11 are fixedly connected to the middle portion of the upper portion of the ejector plate 7 , and the upper portions of the ejector rods 11 are inserted into the sliding connection lower die base 4 , and the tops of the ejector rods 11 are flush with the bottoms of the lower die core grooves 41 .

[0040] A plurality of ejector pins 11 provided on the ejector plate 7 are inserted into the lower die core groove 41 of the lower die base 4 . When the die is opened, the ejector pins 11 are used to eject the internally formed product.

[0041] Working principle:

[0042] An upper mold base 3 is provided below the upper mold base 1, and an injection port assembly 2 is inserted into the upper mold base 1 and the upper mold base 3. A lower mold base 4 is provided below the upper mold base 3, and an upper mold core groove 31 and a lower mold core groove 41 are respectively provided in the upper mold base 3 and the lower mold base 4. The injection port assembly 2 is used to inject injection liquid into the upper mold core groove 31 and the lower mold core groove 41 to form a product part inside. The positioning columns 43 provided at the four corners of the lower mold base 4 are inserted into the through holes 33 at the four corners of the upper mold base 3 to ensure that the integrity of the internal cavity is not offset when the mold is closed. A side stopper 8 is provided above the lower mold base 4, and a wedge block portion 81 is provided above the side stopper 8. At the same time, the wedge block portion 81 is inserted into the inner groove portion 32 at the bottom of the upper mold base 3. When the mold is closed, the side stopper 8 is used To seal both sides of the cavity, and secondly to form the internal penetrating parts, a support block 5 and a lower template 6 are provided below the lower mold base 4, and a top plate 7 is provided in the middle above the lower template 6, a main ejector column 9 and an ejector rod 11 are provided above the top plate 7, and a spring 10 is provided below the main ejector column 9. When the mold is opened, the external force is applied to the ejector plate 7, and the ejector plate 7 drives the main ejector column 9 and the ejector rod 11 to push up. Since the top of the main ejector column 9 is higher than the top of the ejector rod 11, the main ejector column 9 first lifts the upper mold base 3 and the upper template 1 to form a primary mold opening, and then the top of the ejector rod 11 is located around the bottom of the product, so that the product is disengaged from the lower mold core groove 41, and at the same time, the side stopper 8 is drawn out from the slide groove portion 42 of the lower mold base 4 by external connection to form a secondary mold opening.

[0043] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways without departing from the spirit of the present invention.

[0044] Although this article uses more terms such as 1, upper mold plate; 2, injection port assembly; 3, upper mold base; 31, upper mold core groove; 32, inner groove portion; 33, through hole; 4, lower mold base; 41, lower mold core groove; 42, slide groove portion; 43, positioning column; 5, support block; 6, lower mold plate; 7, top plate; 8, side block; 81, wedge block portion; 9, main top column; 10, spring; 11, ejector rod, etc., it does not exclude the possibility of using other terms. The use of these terms is only for more convenient description and explanation of the essence of the utility model. It is contrary to the spirit of the utility model to interpret them as any additional restrictions.

Claims

1. A precision mold for a reflector for a through-type taillight light distribution, comprising an upper mold plate (1), characterized in that: An upper mold base (3) is provided below the upper mold plate (1), and an injection port assembly (2) is inserted in the middle of the upper mold plate (1) and the upper mold base (3). A lower mold base (4) is provided below the upper mold base (3), and a cavity is formed between the upper mold base (3) and the lower mold base (4). Side blocks (8) are provided on both sides above the lower mold base (4), and the upper part of the side blocks (8) is inserted into the bottom of the upper mold base (3). Positioning columns ( 43), support blocks (5) are provided on both sides below the lower die base (4), a lower die plate (6) is provided below the support blocks (5), and a top plate (7) is provided in the middle of the upper part of the lower die plate (6), a main top column (9) and a top rod (11) are provided above the top plate (7), and the upper parts of the main top column (9) and the top rod (11) are inserted into the lower die base (4), a spring (10) is provided on the outer sleeve below the main top column (9), and the upper part of the spring (10) is inserted into the lower die base (4).

2. The precision mold for the reflector for the through-type taillight according to claim 1 is characterized in that: The upper mold base (3) is fixedly connected to the lower part of the upper mold plate (1), and the injection port assembly (2) is inserted and fixedly connected to the center of the upper mold plate (1) and the center of the upper mold base (3). An upper mold core groove (31) is provided in the middle of the bottom of the upper mold base (3), and the upper mold core groove (31) is connected to the bottom of the injection port assembly (2).

3. The precision mold for the reflector for the through-type taillight according to claim 2 is characterized in that: A lower mold core groove (41) is provided in the middle of the top of the lower mold base (4), and the lower mold core groove (41) and the upper mold core groove (31) are combined to form a molding cavity. Slide grooves (42) are provided on both sides of the lower mold base (4), and the slide grooves (42) are connected to the lower mold core groove (41).

4. The precision mold for the reflector for the through-type taillight according to claim 3 is characterized in that: A slidingly connected side block (8) is inserted into the slide groove portion (42), and the upper plane of the side block (8) is flush with the two sides of the top of the lower mold base (4). A wedge block portion (81) is fixedly connected above the side block (8), and the wedge block portion (81) is higher than the top of the lower mold base (4).

5. The precision mold for the reflector for the through-type taillight according to claim 4 is characterized in that: Both sides of the bottom of the upper die seat (3) are provided with inner grooves (32), and there is a distance between the inner grooves (32) and the upper die core grooves (31). A sliding connection wedge block (81) is inserted into the inner grooves (32), and both sides of the bottom of the upper die seat (3) are tightly fitted with the middle of the side block (8).

6. The precision mold for the reflector for the through-type taillight according to claim 5 is characterized in that: Through holes (33) are provided at the four corners of the upper die seat (3), and positioning columns (43) are fixedly connected above the four corners of the lower die seat (4), and the top of the positioning columns (43) is inserted into the sliding connection through holes (33).

7. The precision mold for the reflector for the through-type taillight according to claim 6 is characterized in that: The two sides of the bottom of the lower die base (4) are fixedly connected to the support blocks (5), and the bottom of the support blocks (5) are fixedly connected to the two sides above the lower die plate (6).

8. The precision mold for the reflector for the through-type taillight according to claim 7 is characterized in that: The top plate (7) is fixedly connected to the main top column (9) at the four corners, and the top of the main top column (9) passes through the lower mold base (4) for sliding connection, and the top of the main top column (9) is tightly fitted with the bottom of the upper mold base (3).

9. The precision mold for the reflector for the through-type taillight according to claim 8, characterized in that: A sliding connection spring (10) is disposed outside the lower portion of the main top column (9); the bottom of the spring (10) is fixedly connected to the upper plane of the top plate (7), and the upper portion of the spring (10) is inserted into and fixedly connected to the lower die base (4).

10. The precision mold for the reflector for the through-type taillight according to claim 9, characterized in that: A plurality of ejector rods (11) are fixedly connected to the middle portion of the top of the ejector plate (7), and the top of the ejector rods (11) is inserted into the sliding connection lower die seat (4), and the top of the ejector rods (11) is flush with the bottom of the lower die core groove (41).

Images